v. Obs. Also 5–6 subtrahe, 6 -trah. [f. imper. sing. subtrahe or stem subtrah- of L. subtrahĕre to SUBTRACT. Cf. SUBSTRA.] To subtract (trans. and intr.).

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c. 1425.  Crafte Nombrynge (E.E.T.S.), 13. Here he teches þe Craft how þou schalt know, whan þou hast subtrayd, wheþer þou hast wel ydo or no.

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c. 1430.  Art Nombryng (E.E.T.S.), 16. And so forthe subtrahe fro the totalle nombre in respect of þe digit.

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1477.  Norton, Ord. Alch., v. in Ashm. (1652), 81. Your Liquors be ordained to add and subtray, To make equalitie by wisdome of assay.

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1549.  Chaloner, Erasm. on Folly, G ij. From howe many … euilles I haue subtraied these my selie paches.

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1579.  Digges, Stratiot., I. xv. 26. The last Fraction being lesse then 3/4 enforceth you to Subtrahe one out of 4.

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1588.  J. Mellis, Briefe Instr., D viij. To make the summes equall, gather the total hereof … and subtray it from the totall summe of your creditor opposite.

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